In an Aug. 22 “Politics,” Barron YoungSmith incorrectly described Justin A. Frank as a psychologist. He is a psychiatrist.

In an Aug. 21 “Breaking Views,” Katy Waldman originally included a photo of Weekly Standard founder William Kristol rather than venture capitalist Peter Thiel.

In an Aug. 21 “Medical Examiner,” Harriet Hall stated that the U.S. military was using dowsing rods to detect explosives. It was the Iraqi military.

In an Aug. 21 “XX Factor” post, Katy Waldman misspelled the last name of women’s rights activist Martha Burk.

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In an Aug. 20 “Moneybox,” Matthew Yglesias misspelled the last name of Binyamin Appelbaum.

In an Aug. 20 “Science,” Geoff Brumfiel wrote that children living near the site of a Soviet-era nuclear waste tank explosion suffer an elevated risk of cancer. Adults there have an elevated cancer risk, but it's not clear that children do.

In an Aug. 17 “Gaming,” Stefan Fatsis originally said that the boy who was caught cheating at the National Scrabble Championship was ejected from the tournament in the presence of his mother. It was the mother of another youth player.

In the Aug. 15 “Victory Lab,” Sasha Issenberg stated that the Voter Participation Center sends out registration appeals monthly; the group actually sends them out quarterly. He wrote that the VPC made 13 changes to the design of its mailed packages in June 2012; the changes were to the way it builds its list of targets. Issenberg also inaccurately reported that the VPC used microtargeting models to individually identify potential voters most likely to be Democrats.

Slate strives to correct all errors of fact. If you've seen an error in our pages, let us know at corrections@slate.com. General comments should be posted in our comments sections at the bottom of each article.